Results 11 to 20 of about 1,672,401 (290)

The Spitzer Warm Mission Science Prospects [PDF]

open access: yes, 2007
After exhaustion of its cryogen, the Spitzer Space telescope will still have a fully functioning two-channel mid-IR camera that will have sensitivities better than any other ground or space-based telescopes until the launch of JWST.
Carl Grillmair   +12 more
core   +1 more source

Improvements in CO2 Booster Architectures with Different Economizer Arrangements. [PDF]

open access: yes, 2020
CO2 transcritical booster architectures are widely analyzed to be applied in centralized commercial refrigeration plants in consonance with the irrevocable phase-out of HFCs.
Cabello López, Ramón   +5 more
core   +1 more source

Relationship of Training Factors and Resilience with Injuries in Ski Mountaineers

open access: yesSports, 2022
Ski mountaineering is an increasingly popular sport with a relatively high risk of injury. Therefore, several studies have analyzed factors related to the likelihood of injury, including athlete characteristics, training, resilience and equipment.
Paula Etayo-Urtasun   +3 more
doaj   +1 more source

The effects of postactivation potentiation on sprint and jump performance of male academy soccer players. [PDF]

open access: yes, 2009
The purpose of this investigation was to evaluate the postactivation potentiation (PAP) effects of both dynamic and isometric maximum voluntary contractions (MVCs) on sprint and jump performance and establish whether PAP methods could be used effectively
  +19 more
core   +1 more source

Influence de l'Apprentissage Coopératif sur le savoir s'échauffer et la motivation autodéterminée vis à vis de l'échauffement

open access: yeseJournal de la Recherche sur l'Intervention en Éducation Physique et Sport, 2012
This study examined the effect of cooperative learning on warm up skills and self-determined motivation toward warm up of fourth and fifth grade pupils. 89 pupils from four classes participated in eight athletic lessons.
Amael André
doaj   +1 more source

Effect of the inclusion of static stretching in general warming up on muscle strength in Brazilian army military personnel

open access: yesMotriz: Revista de Educacao Fisica, 2021
Aim: Several health professionals prescribe static stretching exercises (SS) as essential for those that practice physical exercises, for injury prevention and performance improvement, although there is still no consensus.
Michel Moraes Gonçalves   +6 more
doaj   +1 more source

Dense gas in nearby galaxies: XV. Hot ammonia in NGC253, Maffei2 and IC342 [PDF]

open access: yes, 2003
The detection of NH3 inversion lines up to the (J,K)=(6,6) level is reported toward the central regions of the nearby galaxies NGC253, Maffei2, and IC342.
A. B. Peck   +91 more
core   +1 more source

Preferences in the use of ergogenic AIDS in regular strength trainees [PDF]

open access: yesJournal of Kinesiology and Exercise Sciences
Background: The ergogenic effect is a highly practical and relevant topic in sports research, particularly in strength sports where numerous strategies have gained widespread recognition.
Maciej Merchelski   +6 more
doaj   +1 more source

Excited Electron Dynamics Modeling of Warm Dense Matter [PDF]

open access: yes, 2007
We present a model (the electron force field, or eFF) based on a simplified solution to the time-dependent Schrödinger equation that with a single approximate potential between nuclei and electrons correctly describes many phases relevant for warm dense ...
Goddard, William A., III, Su, Julius T.
core   +1 more source

The acute effect of different specific warm-up intensity on one repeat maximum squat performance on basketball players

open access: yesPedagogy of Physical Culture and Sports, 2021
Background and Study Aim. Squat exercises have some advantages in terms of time, practice and energy costs. It is also an exercise method used in training plan in terms of development of jumping ability in basketball players.
Özgür Eken
doaj   +1 more source

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